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scarf/llms.txt
2026-04-30 14:26:03 +02:00

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# Scarf
> Scarf is a native macOS and iOS GUI for the Hermes AI agent. It surfaces every part of a running Hermes installation — chat sessions, project workspaces, memory files, installed skills, MCP servers, cron jobs, messaging gateways, logs, and configuration — through a sidebar-driven Mac app and a tab-based iPhone companion called ScarfGo.
Both apps are free, MIT licensed, and built from a single open repository. Scarf reads from `~/.hermes/state.db` directly (read-only) and streams agent replies in real time over the Agent Client Protocol. It connects to remote Hermes installations using the host's existing SSH config — no companion service, no telemetry, no account.
## Quick facts
- **Platforms:** macOS 14.6+ Sonoma (Apple Silicon and Intel), iOS 18+
- **License:** MIT
- **Repository:** https://github.com/awizemann/scarf
- **Author:** Alan Wizemann
- **Hermes prerequisite:** https://github.com/hermes-ai/hermes-agent installed at `~/.hermes/`
- **Mac download:** https://github.com/awizemann/scarf/releases/latest
- **iOS download:** https://testflight.apple.com/join/qCrRpcTz (public TestFlight)
- **Auto-updates (Mac):** Sparkle, with EdDSA signature verification
- **Telemetry:** none
## Documentation
- [README](https://github.com/awizemann/scarf/blob/main/README.md): project overview, full feature list, build instructions
- [Wiki](https://github.com/awizemann/scarf/wiki): user guide, architecture, design system reference
- [Wiki — ScarfGo](https://github.com/awizemann/scarf/wiki/ScarfGo): iOS companion details
- [Wiki — ScarfGo Onboarding](https://github.com/awizemann/scarf/wiki/ScarfGo-Onboarding): SSH key setup walkthrough
- [Wiki — Platform Differences](https://github.com/awizemann/scarf/wiki/Platform-Differences): what is and isn't shared between Mac and iOS
- [Releases](https://github.com/awizemann/scarf/releases): release notes for every version
- [License](https://github.com/awizemann/scarf/blob/main/LICENSE): MIT
## Feature surfaces
Mac (sidebar sections):
- **Monitor:** Dashboard, Insights, Sessions Browser, Activity Feed
- **Interact:** Live Chat (ACP streaming + Terminal mode), Memory Viewer/Editor, Skills Browser
- **Configure:** Platforms, Personalities, Quick Commands, Credential Pools, Plugins, Webhooks, Profiles
- **Manage:** Tools, MCP Servers, Gateway Control, Cron Manager, Health, Log Viewer, Settings
- **Project Dashboards:** custom JSON-defined dashboards rendered by Scarf, populated by the agent
- **System:** Hermes process control, menu bar status
iOS (ScarfGo, tabs):
- Servers (multi-host management with pure-Swift SSH)
- Dashboard (stats + recent sessions per server)
- Chat (full ACP, project-scoped)
- Sessions (resume, attribute to projects)
- Memory editor (read/write `MEMORY.md`, `USER.md`)
- Cron (list view, human-readable schedules)
- Skills browser (categories + prereq banners)
- Settings (read-only `config.yaml`)
## Differentiators
- Native SwiftUI, not Electron — single Mach-O binary, kilobytes of memory, full system integration
- Read-only access to `state.db` — Scarf cannot corrupt Hermes data because it never writes
- Multi-server: one window per Hermes host on Mac, multi-server on iOS, all over standard SSH
- Project-scoped chat with Scarf-managed `AGENTS.md` block injected before session boot
- Portable `.scarftemplate` bundles for sharing project setups (dashboards, skills, cron jobs, slash commands)
- Live ACP streaming with rich tool-call rendering, permission dialogs, voice control
- 13 messaging platforms managed in one native UI (Telegram, Discord, Slack, WhatsApp, Signal, iMessage, Email, Matrix, Mattermost, Feishu, Home Assistant, Webhook, CLI)
- Open and inspectable — pure Swift, MIT, no external runtime dependencies
## Optional
- [Templates Catalog](https://awizemann.github.io/scarf/templates/): community-contributed `.scarftemplate` bundles, one-click install
- [Sparkle Appcast](https://awizemann.github.io/scarf/appcast.xml): the auto-update feed (RSS/XML)